Liquid-liquid extraction of Cu, Co, Ni from ammoniacal solutions

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal

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423139, 75101BE, 568412, C01G 300, C01G 5100, C01G 5300, C07C 4912

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active

042050480

ABSTRACT:
7-Ethyl-undeca-2,4-dione as a chelation collector for the liquid-liquid extraction of transition metals from dilute ammoniacal leach solutions thereof exhibits the combination of requisite physical and dynamic properties marking an industrially attractive reagent for this purpose.

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patent: 3700416 (1972-10-01), Lucid
patent: 4065502 (1977-12-01), MacKay
patent: 4152396 (1979-05-01), MacKay
Stary, The Solvent Extraction of Metal Chelates, Pergamon Press Ltd. (1964) pp. 32, 51-79.
Koshimura, H. "Effect of Substituents on the Solubilities of Alkyl-Substituted B-Diketone Copper Chelates", J. lnorg. Nucl. Chem. (1976) vol. 38, pp. 1705-1712.
Tavares et al. "Solvent Extraction Studies With Decan-2,4 Dione" J. lnorg. Nucl. Chem. (1976) vol. 38, pp. 1357-1365.
Schweitzer et al. "Extractions With B-Diketones as Chelating Solvents" Analytica Chimia Acta 36 (1966) pp. 77-89.

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